Dexamethasone Compared to Non-steroidal Anti-inflammatory Drugs in the Treatment of Acute Pericarditis

  • STATUS
    Recruiting
  • End date
    Dec 19, 2023
  • participants needed
    208
  • sponsor
    Rabin Medical Center
Updated on 19 March 2021

Summary

The treatment of acute pericarditis is empiric and is based on treatment with medications with anti-inflammatory properties such as non-steroidal anti-inflammatory drugs (NSAID) and corticosteroids. However, this therapy is given as a relatively long course of therapy ( 3 weeks) and can be associated with substantial side effects.

Dexamethasone is a potent corticosteroid that has not been investigated an alternative to conventional therapy in patients with acute pericarditis.

Dexamethasone is an inexpensive drug and can be given in an oral tablet form. It has a quick onset of action, relatively long duration of action and is therefore often given in high doses for short periods.

Dexamethasone has been shown to be a safe therapeutic option in ITP (Immune Thrombocytopenia), another disease in which steroids are an accepted treatment option. The abundant data on using dexamethasone in comparison to longer prednisone-based regimens has been evaluated in this disease and has shown to be effective and without the longer exposure time to steroids and potential side effects. This data shows that dexamethasone can be a safe therapeutic option.

The investigators hypothesize that therapy with short term, high dose dexamethasone will offer better clinical responses to NSAID therapy in the treatment of acute pericarditis with less potential side effects compared to NSAID therapy.

The Investigators aim to conduct a randomised, non-blinded trial assessing the use of dexamethasone as an alternative to NSAID for use in patients with acute pericarditis.

Description

Dexamethasone compared to Non-steroidal anti-inflammatory drugs in the treatment of acute pericarditis: a non-inferiority randomized controlled trial (Dexa-P)

Objectives

The investigators hypothesize that therapy with short term, high dose dexamethasone will offer better clinical responses to NSAID therapy with less potential side effects compared to conventional therapy

Trial design:

A randomised, non-blinded trial assessing the use of dexamethasone as an alternative to NSAID therapy for use in patients with acute pericarditis.

Quality Assurance:

After the first 3 participants have been enrolled and completed a month of follow up, the preliminary findings will be forwarded to the quality control committee of the Helsinki Ethics Committee of Rabin Medical Center

Withdrawal of participants:

Participants are free to discontinue their participation in the study at any time and without prejudice to further treatment.

A participant may withdraw or be withdrawn from the study for the following reasons:

  • Subject withdrew consent.
  • Severe Adverse Event (As described below) Reasons for withdrawal will be documented. In cases of more than one reason for early withdrawal from the study, the most significant reason will be stated.

Replacement of withdrawn participants:

Withdrawn randomized participants will not be replaced.

Discontinuing or modifying allocated interventions:

If a participant has incessant pericarditis within one month of therapy:

  • Participants in the dexamethasone arm will be given another cycle of dexamethasone therapy of 20mg for 4 days can be given. If there is a further persistence, prednisone therapy will then be initiated.
  • Participants in the NSAID therapy arm will be changes to prednisone therapy

Definition of incessant pericarditis:

Recurrence of pleuritic chest pain and one or more of the following signs:

  1. Pericardial friction rub
  2. Electrocardiographic changes specific to pericarditis (concave ST elevation, PR depression)
  3. Echocardiographic evidence of pericardial effusion
  4. An elevation in inflammatory markers (white-cell count, or C-reactive protein level) without a symptom-free interval of 6 weeks or longer after the first acute event.

If participant is hospitalized with a possible side effect, the treating physician will be notified to assess for modifying the participant allocation.

Concomitant care:

There are no prohibited concomitant medications. Participants should continue to take drugs for other co-morbidities as usual.

Participant Timeline:

The enrollment will be done within 72 hours of initial assessment. Each participant will undergo eligibility screen and suitable participants will receive informed consent. The allocation will be determined immediately after the participant will be found to be eligible and will be made randomly.

Once participants are identified with an initial episode of acute pericarditis and informed consent is given, an initial assessment will be done.

This will include baseline blood tests - including baseline liver and renal function tests, full blood count and C-reactive protein.

All participants will undergo echocardiographic imaging at baseline. There are two possible interventions: dexamethasone therapy or NSAID therapy. Participants will be followed up at 1 weeks, 1 month, 6 months and 12 months after treatment initiation.

The follow up will be telephonically at 1 week, 6 months and 12 months. At the 1 month follow up, clinical assessment, inflammatory marker and a repeat echocardiogram will be performed. A repeat echocardiogram will be performed at 12 months. This follow up will be at the pericardial disease clinic at Rabin Medical Center

Sample size:

Assuming a success rate 85% in the NSAIDS group and 87% in the Dexamethasone intervention group, with a margin of non-inferiority of 10%, the sample size calculated was 208. (Alpha = 0.05, beta=0.2). Noninferiority would be shown if the upper boundary of the 95% confidence interval was 10 percentage points or less. A 10 percentage-point noninferiority margin was considered to be an acceptable difference in recurrence rate.

Recruitment

Investigators will include physicians in the emergency room and admission setting to help identify and recruit participants.

Methods: Data Collection, management and analysis

Enrollment

First assessment including baseline variables and suitability of the participant to the study will be made during the enrollment, by the study coordinators.

In addition demographic and clinical characteristics will be recorded. The data will be collected during an interview of the participant or with assistance of the computerized medical records.

Furthermore, laboratory tests such as blood count, liver and kidneys functions and C reactive protein will be made and be recorded for each participant.

Interventions

The type of intervention will be recorded by the study coordinators for each participant according to the allocation group.

Assessments of outcomes:

The primary outcome at each follow up, both telephonically and on clinical follow up The secondary outcomes will be assessed telephonically and using the medical computerized systems.

Data management:

All data regarding the participant's hospitalization: Baselines variables, interventions and glucose levels will be stored in secured excel documents for each study group.

Data regarding the participant's outcomes will be stored in a different secured excel documents for each study group.

The coding of the documents and the separation between the hospitalization and follow up period data is designated to ensure the investigator blinding.

Statistical analysis:

The primary outcome is the occurrence of Recurrent Pericarditis within 12 months. This will be calculated by bivariate analysis as relative risk. The secondary outcome of time to recurrence will be plotted using Kaplan-Meier curves and compared using the Log-rank test (unadjusted analysis), Hazard ratio for the risk of the primary analysis between the control and Dexamethasone arm will be calculated using a univariate cox proportional hazards ratio model (unadjusted analysis). Further secondary outcomes will be analysed by bivariate analysis.

Methods: monitoring Harms: Side effects will be monitoring during therapy as defined

Details
Condition Pericarditis Acute
Treatment Dexamethasone therapy, NSAID therapy
Clinical Study IdentifierNCT04323280
SponsorRabin Medical Center
Last Modified on19 March 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patient with first presentation of acute pericarditis (both idiopathic and post pericardiectomy)
Patients diagnosed according to accepted clinical findings: 2 of the 4 following criteria: chest pain, pericardial friction rub, ECG changes typical for pericarditis and/or pericardial effusion
Patients over the age of 18 years

Exclusion Criteria

Patient with Uncontrolled Diabetes (as defined as hyperglycaemia >300mg/dl at presentation or HBA1C>9% (if known))
Patients with a known allergy to steroid therapy
Patient with a known allergy to NSAID therapy
Patients with a known contraindication to colchicine therapy
Pregnancy or lactating women
Patients with systemic fungal infection
Patients with a known pericardial effusion of tuberculous, purulent, or neoplastic causes
Patients with chronic steroid use
Patients with a known rheumatological disease
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